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RV4145A - Low Power Ground Fault Interrupter

General Description

The RV4145A is a low power controller for AC outlet ground fault interrupters.

These devices detect hazardous grounding conditions, such as equipment (connected to opposite phases of the AC line) in contact with a pool of water and open circuits the line before a harmful or lethal shock occurs.

Key Features

  • No potentiomenter required Direct interface to SCR Supply voltage derived from AC line.
  • 26V shunt Adjustable sensitivity.
  • Grounded neutral fault detection Meets U. L. 943 standards 450µA quiescent current Ideal for 120V or 220V systems.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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www.fairchildsemi.com RV4145A Low Power Ground Fault Interrupter Features • • • • No potentiomenter required Direct interface to SCR Supply voltage derived from AC line – 26V shunt Adjustable sensitivity • • • • Grounded neutral fault detection Meets U.L. 943 standards 450µA quiescent current Ideal for 120V or 220V systems Description The RV4145A is a low power controller for AC outlet ground fault interrupters. These devices detect hazardous grounding conditions, such as equipment (connected to opposite phases of the AC line) in contact with a pool of water and open circuits the line before a harmful or lethal shock occurs. Contained internally are a 26V zener shunt regulator, an op amp, and an SCR driver.